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Technical Details & Description:================================A classic buffer overflow vulnerability has been discovered in the official Free Youtube To MP3 Converter v4.0.1 software.The local vulnerability allows to overwrite the registers of the software process to compromise the target computer system.

The vulnerability is located in the `Go Menu > Tools > Options > Key Activation` module. Local attackers are able to include malicious unicode payload as `key` value (input) to crash the software via buffer overflow. Local attackers are able to takeover the system process by an escalate of privileges in the local target computer system. The windows version of the software is affected by the vulnerability. The vulnerable input is located in the activation key module.

The security risk of the buffer overflow vulnerability is estimated as high with a cvss (common vulnerability scoring system) count of 7.2.Exploitation of the vulnerability requires a low privilege system user account and no user interaction. Successful exploitation of the localvulnerability results in system compromise by elevation of privileges via overwrite of the registers.

Vulnerable Module(s): [+] Go Menu > Tools > Options > Key Activation

Vulnerable Input(s): [+] Activation Key

Affected Module(s): [+] Activate

Proof of Concept (PoC):=======================The security vulnerability can be exploited by local attackers with restricted account or system access and without user interaction.For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.

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